MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The primary URL, https://kuzutuzo.ru/strik?utm_term=how+to+read+sears+battery+charger, is likely used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://kuzutuzo.ru/strik?utm_term=how+to+read+sears+battery+charger PDF link annotation
- https://kuxobemif.weebly.com/uploads/1/3/1/3/131379353/2d6f8a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424364/normal_5fdea29f5a69e.pdfIn PDF document text
- https://xavapijiwo.weebly.com/uploads/1/3/3/9/133997403/surusemiritut.pdfIn PDF document text
- https://mudabomem.weebly.com/uploads/1/3/0/9/130969182/sakukur.pdfIn PDF document text
- http://republvinb.fun/62223763661ua5b4.pdfIn PDF document text
- http://storeeu.info/attraction_2017_dual_audio_movierxtww.pdfIn PDF document text
- http://my-favshopg.online/a_static_budget_is_appropriate_forosmjl.pdfIn PDF document text
- http://uber-global.com/eclipse_java_swing_designerz4596.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501193/normal_6037f093804e3.pdfIn PDF document text
- https://dupudebokuvufex.weebly.com/uploads/1/3/2/3/132303235/11c9c21f2b91.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369900/normal_5fe81e1b3208b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4415070/normal_5feda5071f7ee.pdfIn PDF document text
- http://paktum.pro/chemistry_12_worksheet_4-3_ph_and_poh_calculations_answershmmgc.pdfIn PDF document text
- https://dumiwezabofovo.weebly.com/uploads/1/3/4/7/134743005/6141501.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://973697ad-ffa4-4f9d-85cd-0c9d1ea039ee.filesusr.com/ugd/5f5755_114a71d84e4d4427b61e73882ae2408f.pdf?index=trueIn PDF document text
- https://979cd01f-16ea-4d2c-b189-234964c95597.filesusr.com/ugd/d4c4cf_a04483b8d3df483eb44447aba9ca9510.pdf?index=trueIn PDF document text
- https://336ddc11-c37d-4cd6-9685-7accad2975f7.filesusr.com/ugd/479fa9_69c80c65f13f40939adfea0be2cdd372.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/24d62767-438d-4e61-83ad-5dd7833d130f/62313266173.pdfIn PDF document text
- https://332892e0-6a2b-40ad-946e-e7c92c61c867.filesusr.com/ugd/3e5d97_104674e03c4d4724a5b1f5768bac6a89.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fe9e2e66-c70d-4a67-aeac-6a18e7a29554/how_to_work_cobra_radar_detector.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f7bdba4d-034c-41a9-9623-1c04e96d914f/54709374754.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6bd0bd8-4bc1-4c3c-b0a9-7d1fc19e34fa/how_to_shade_with_pencils_for_beginners.pdfIn PDF document text
- https://4bd9ed84-c80b-4837-bb2f-b1353ebfd8aa.filesusr.com/ugd/5a1791_66a0554446524731a4af599cdbaf70eb.pdf?index=trueIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFFF | 5464 bytes |
SHA-256: 35981da927205a280e70c85bd31df09b65c2aeb7c88415a910c1417bfd16b758 |
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font_01_sfnt_off000102a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102A0 | 10632 bytes |
SHA-256: b4977faf1e76dd1cccd5005342647fb3f387c4f152848c3357d02f23694cbd0a |
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